Storage battery.



Patented Sept. 13, 1910 R. N. CHAMBBRLAIN.

STORAGE BATTERY.

PPLIOATION FILED DBO. B, 1906.

2l. AI.

Wmesses:

UNLTED srnrpsiiifrnn'r oFFIoE.

RUFUS N. CHAMBERLAIN, 0F DEPEW, NEW YORK, ASSIGNOR TO GOULD STORAGEBATTERY COMPANY, OF NEW YORK, N. Y.

STORAGE BATTERY.

Specification of Letters Patent. Patented Sent. 13, 1910.

Application filed December 8, 1906. Serial No. 346,911.

.struct this style ot' battery in such manner that the battery iseiicient and durable in also, that it can be readily assembled or takenapart, and that it can be produced at moderate expense.

In the accompanying drawings, Figures l,

and 2 are sectional elevations of the battery at right angles to eachother.

Like letters and numerals of reference re- :fer to like parts in bothfigures.

A represents the base plate of the battery case which may be of slate,wood or other suitable material, and provided with a lead covering a.

B represents insulators' of petticoat or.

other form upon which the base plate rests.

C represents the upright plates and I) the top plate of the casing,preferably ot' glass. These plates may be connected by upper and lowerlead frames c d, or other suitable means.

E represents the` bottom tray which rests upon the lead covering a ofthe base plate and is provided on the upper side oi" its bottom e with apositive plate or grid F.

G represents the top tray which'is provided on the lower side of itsbottom f with a negative plate or grid H.

I lrepresents the intermediate trays which are each provided with twobattery plates or grids, a positive plate F which 1s arranged upon thebottom z' of the tray and a negative 'plate H Which is arranged belowthe bottom. Each battery plate has a ribbed face and a plain back and isapplied to the bottom of the tray by the latter. Adjacent negative andpositive plates are separated by insulators -K of porcelain or othersuitable material, five such insulators being preferably arrangedbetween the opposing plates of each pair.

The acid or electrolyte is supplied tol the top tray G and overflowsfrom the same `into the successive lower intermediate trays I 'and thebottom tray E. The latter is provided with an overflow Z through whichthe excess oit acid is discharged and which leads outside ot' th'eincloslng case to a-suitable receptacle. This-overflow prevents the acidfrom escaping into the lower part ofthe case or battery compartment. v

The trays can be readily stamped from antimonial sheet lead and thepositlve and negative plates are readily formed in the usual manner. andcan be tacked to the trays by lead or simply placed in the properposition with reference to the trays in assembling the battery. Thenegative plates are preferably made of greater capacity than thepositive plates and this is readily done because each plate is madeseparate from the tray. As the battery plates arey made separate fromthe trays the latter can be made 'of antimonial sheet lead, which hasgreater acid resisting capacity than pure sheet lead, while when theplates form the bottoms ot' the trays, as bas often been the case, andthe raised edge portions of the' trays are simply burned to the plates,much `more metal must be employed la the combined tray and plates inorder` to produce a reasonably durable battery. Each member' of thebattery is comparatively light and the members can be readily assembledin building up a battery or taken apart, when required for makingrepairs or other purposes. '.lhe lead cover of the base protects thelatter against acid which 'may reach it from the trays and theinsulators on which the base rests provide for an effective insulationof the base.

The one-sided battery plates can be spun or cast in pairs and thenseparated.

I claim as my invention:

In a battery, the combination of an inclosing case, superposed metallictrays arranged therein and each having a bottom and an overflow for thelovverrnost tray lo and raised marginal sides, and battery platesopening out through the Wall of the casingQ arranged against the upperand under faces Witness Iny hand this 28th day of Novemrespectively ofthe bottoms of the trays, said ber, 1906.

trays being nested together and insulatin spacing blocks arranged in,each tray an RUFUS N CHAMBERLAIN serving as rests for the bottom of thetray 'Witnessesz next above whereby the bottoms of the trays EDWARDWILHELM,

are maintained in proper spaced relation, C. B. HORNBECK.

